3f89b5c42ca4d9717d5a12eea072e87ffb2d6635cf51d70608b043bf84cc0897 | Triage

Analysis

max time kernel
148s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
09/01/2024, 09:36

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General

Target

4df8b4a6aa268df2cb4eb468653339e9.exe
Size

113KB
MD5

4df8b4a6aa268df2cb4eb468653339e9
SHA1

f1ecccc88c6b7091a316f59868ff87c190b74cf1
SHA256

3f89b5c42ca4d9717d5a12eea072e87ffb2d6635cf51d70608b043bf84cc0897
SHA512

22417b1b0a8265bda32357a6962cd19fd570b962f7a8f70fec97cde202ea06c7e4d63509feb80412f5cd338cbf8611fdb0eab32f097228b48c42924a7f302d31
SSDEEP

384:zVR4LLTkh2JIgsoSCNQo7tLZ/pJHl17z3ScT:j4/TkdPoSjSt9/pxTqe

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

resource	yara_rule
behavioral2/memory/2496-0-0x0000000010000000-0x0000000010010000-memory.dmp	upx
behavioral2/memory/2496-2-0x0000000010000000-0x0000000010010000-memory.dmp	upx

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2496 set thread context of 2252	2496	4df8b4a6aa268df2cb4eb468653339e9.exe	88

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1332	2252	WerFault.exe	88

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2496 wrote to memory of 2252	2496	4df8b4a6aa268df2cb4eb468653339e9.exe	88
PID 2496 wrote to memory of 2252	2496	4df8b4a6aa268df2cb4eb468653339e9.exe	88
PID 2496 wrote to memory of 2252	2496	4df8b4a6aa268df2cb4eb468653339e9.exe	88
PID 2496 wrote to memory of 2252	2496	4df8b4a6aa268df2cb4eb468653339e9.exe	88
PID 2496 wrote to memory of 2252	2496	4df8b4a6aa268df2cb4eb468653339e9.exe	88

C:\Users\Admin\AppData\Local\Temp\4df8b4a6aa268df2cb4eb468653339e9.exe
"C:\Users\Admin\AppData\Local\Temp\4df8b4a6aa268df2cb4eb468653339e9.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2496
- C:\Users\Admin\AppData\Local\Temp\4df8b4a6aa268df2cb4eb468653339e9.exe
  "C:\Users\Admin\AppData\Local\Temp\4df8b4a6aa268df2cb4eb468653339e9.exe"
  2⤵
  PID:2252
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2252 -s 12
    3⤵
    - Program crash
    PID:1332

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2252 -ip 2252
1⤵
PID:4016

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2252-1-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2496-0-0x0000000010000000-0x0000000010010000-memory.dmp

Filesize
64KB

Download
memory/2496-2-0x0000000010000000-0x0000000010010000-memory.dmp

Filesize
64KB

Download